Millie Moon Overnight Diapers

Millie Moon's daytime Luxury diaper is one of the best value picks in the catalog, so its overnight diaper comes as a surprise, and not the good kind. It carries the same clean, fragrance-free, breathable materials, but on the one thing an overnight diaper has to nail, holding a full night without leaking, it underwhelms. It holds a 3.9 rating, the lowest among the name-brand overnights here, and sits at about $0.51 per diaper across sizes 4 through 6.

That combination, a premium-ish price and a middling rating, is the problem. The materials are fine and the comfort is good, but for an overnight diaper that isn't enough, and cheaper rivals both rate higher and cost less.

Our scorecard

3.9 / 5

Leak protection

4.1

Comfort & fit

4.2

Skin safety

4.6

Sustainability

2.2

Value

4.4

Scores blend each product's verified specs with its overall owner rating, weighted the same way for every diaper. Learn more about our evaluation framework.

The quick take: Skip Millie Moon Overnight unless you're committed to the brand. Despite the strong daytime Luxury line, the overnight rates lowest here and costs more than better options like Parent's Choice Gentle Dreams or the premium overnights.

Who they're for

If you're devoted to the Millie Moon brand, the overnight keeps the materials and feel consistent with the Luxury daytime line, and for a light overnight wetter it may be perfectly adequate. That brand consistency is really the main reason to choose it.

If your baby soaks through, or you want value, look elsewhere. This is the category where absorbency matters most, and Millie Moon Overnight is the weakest performer of the name-brand overnights here, at a price that isn't cheap. The math doesn't favor it.

If you loved Millie Moon Luxury and assumed the overnight would match, this is the honest heads-up: it doesn't. The daytime diaper's value-for-quality magic doesn't carry over to the nighttime line.

When an overnight diaper helps

An overnight diaper helps once your baby sleeps longer and a regular diaper leaks by morning, which is why Millie Moon Overnight starts at size 4. The catch specific to this diaper is that, having decided you need overnight protection, it's not the one most likely to deliver dry mornings for a heavy wetter.

How they perform

Leak and overnight absorbency

This is the heart of the problem. Leak protection scores the lowest of this overnight group, and for a nighttime diaper that's the trait that matters most. Millie Moon markets leak guards and an absorbent build, but the 3.9 rating, well below the cheaper store-brand overnights, suggests morning leaks are a more common complaint here than they should be.

For a light overnight wetter, it may be fine; for a baby who consistently fills a diaper overnight, this is the wrong choice, and the premium overnights or even the cheaper value ones are more likely to keep the bed dry.

Comfort and fit

Comfort is a relative bright spot, with a SnugFit waistband and the soft feel Millie Moon is known for. Easy-open sides make changes simple. If the diaper held more, the comfort would be a real selling point; as it is, it's a nice quality attached to a diaper that struggles at its core job.

It's a slightly frustrating profile, because the parts of the diaper you touch and see are genuinely good. The materials feel premium, the waistband is comfortable, and on the changing table it presents like a diaper worth its price. The shortfall only reveals itself at the one moment that matters for an overnight, the morning, which is precisely the wrong place for a nighttime diaper to disappoint. Good comfort can't rescue an overnight that doesn't reliably make it to wake-up dry.

Skin safety

Millie Moon Overnight earns a good skin score. It's hypoallergenic, fragrance-free, chlorine-free, latex-free, and paraben-free, with a breathable build, the same clean profile as the Luxury daytime line. For the long overnight wear, that gentleness is welcome; it's just not enough to offset the absorbency shortfall.

Sustainability

There's no eco story here, and the score reflects it. Unlike the eco overnights, Millie Moon Overnight is a conventional disposable, so sustainability isn't part of its case either.

Living with them day to day

As a once-a-night product, Millie Moon Overnight is pleasant enough to handle, with soft materials and a wetness indicator. The trouble shows up in the morning, where leaks are more likely than with a stronger overnight diaper, which is exactly the outcome an overnight diaper exists to prevent.

For a family already buying Millie Moon Luxury by day, the temptation is to add the matching overnight. The honest advice is to resist that unless your baby is a light wetter, because the overnight doesn't live up to the daytime line's reputation.

What they cost

Overnight diapers cost little per month because you use about one a night, but Millie Moon Overnight is pricey for what it delivers:

Use pattern	Diapers/day	Approx. monthly cost
Nights only	1	~$15
Nights + 1 nap	2	~$31

At about $0.51 each, a month of nightly use is around $15. The issue isn't the absolute cost, which is modest at one a night, but the value: Parent's Choice Gentle Dreams costs half as much and rates higher, and the premium overnights cost a little more but hold meaningfully more. Millie Moon Overnight is squeezed from both directions.

Picking the right size

Millie Moon Overnight runs from size 4 through 6, the typical overnight range. Sizing up by one from your daytime size at night can add capacity, which is worth trying here given the absorbency concerns. Our diaper size guides help match size to weight.

How they compare

The comparison is unkind to Millie Moon Overnight:

• Parent's Choice Gentle Dreams costs about half as much and rates higher, making it the obvious value choice over Millie Moon Overnight.
• up & up SuperAbsorb Overnight also costs less and rates higher, another store brand that outpoints it.
• Bambo Nature Overnight Diapers are similarly priced but add plant-based materials, so they're the better pick if you're spending at this level.

Millie Moon's daytime diaper is a star; its overnight isn't. Cheaper, better-rated overnights make this a hard one to recommend.

• Pampers Swaddlers$0.43 · 4.8★
• Pampers Pure Protection$0.47 · 4.8★
• Huggies Little Swimmers$0.64 · 4.8★
• Pampers Cruisers$0.46 · 4.8★
• Huggies Little Snugglers$0.37 · 4.7★
• Pampers Swaddlers Overnights$0.56 · 4.7★
• Huggies Little Movers$0.42 · 4.7★
• Pampers Cruisers 360$0.47 · 4.7★
• Huggies Special Delivery$0.54 · 4.7★
• Huggies Snug & Dry$0.33 · 4.6★
• Huggies Overnites$0.56 · 4.6★
• Pampers Baby-Dry$0.32 · 4.6★
• HealthyBaby Our Diaper$0.58 · 4.6★
• Rascal + Friends Premium Diapers$0.32 · 4.6★
• Hello Bello Swim Diapers$1.80 · 4.6★
• PurePail Diapers$0.45 · 4.6★
• Seventh Generation Overnight Baby Diapers$0.95 · 4.6★
• DYPER Charcoal Enhanced Diapers$0.67 · 4.6★
• Parent's Choice Dry & Gentle$0.16 · 4.5★
• Parent's Choice Gentle Dreams$0.25 · 4.5★
• The Honest Company Honest Diapers$0.60 · 4.5★
• Luvs Pro Level$0.22 · 4.5★
• DYPER Simply Kind Diapers$0.54 · 4.4★
• Millie Moon Luxury Diapers$0.32 · 4.4★
• The Honest Company Overnight Diapers$0.68 · 4.3★
• Hello Bello Premium Diapers$0.78 · 4.3★
• Bambo Nature Dream Diapers$0.49 · 4.3★
• Cuties Complete Care Diapers$0.35 · 4.3★
• Hello Bello Overnight Diapers$1.36 · 4.3★
• Terra 85% Plant-Based Diapers$0.73 · 4.2★
• up & up SuperAbsorb Overnight$0.31 · 4.2★
• up & up SuperAbsorb$0.21 · 4.2★
• Bambo Nature Overnight Diapers$0.54 · 4.1★
• Luvs Overnights$0.29 · 4.1★
• Millie Moon Overnight Diapers$0.51 · 3.9★
• Babyganics Triple Dry Diapers$0.39 · 3.9★
• Comfees Premium Diapers$0.66 · 3.8★
• PROUDLY Soft & Absorbent$0.34 · 3.4★
• Seventh Generation Baby Diapers$0.19 · 3.1★

This review Other diapersDashed lines mark the category average

Why the daytime star stumbles at night

It's worth understanding why a brand can nail a daytime diaper and miss on the overnight, because it's instructive for diaper shopping generally. A daytime diaper is judged on softness, fit, clean materials, and changed every couple of hours, so it rarely approaches its absorbency limit. Millie Moon Luxury excels at exactly those things, which is why it's a value standout. An overnight diaper is judged almost entirely on one harder thing: holding ten to twelve hours of output without leaking.

Those are genuinely different engineering problems, and being great at the first doesn't guarantee the second. Millie Moon Overnight carries over the soft, clean materials that make the daytime line lovable, but the core overnight challenge, raw capacity, is where it falls short. The lesson for parents is to evaluate a brand's overnight diaper on its own merits rather than assuming it inherits the daytime line's reputation.

What the 3.9 rating tells you

A 3.9 rating is the lowest among the name-brand overnights here, and for this category it should be read plainly. Overnight diapers live or die on a single outcome, a dry morning, so a sub-4 rating almost always points to leaks. It doesn't mean the diaper fails every baby; a light wetter may do fine. But it does mean more parents report the exact problem an overnight diaper exists to solve than they do with the stronger options.

Set against the price, that's the crux. A 3.9 overnight at a budget price might be worth a gamble; a 3.9 overnight at about $0.51, when Parent's Choice Gentle Dreams costs half as much and rates higher, is hard to justify for anyone but a committed Millie Moon household.

How we scored it

The scorecard is honest about the shortfall. Skin safety and comfort score well, reflecting the clean, soft materials, but leak protection is the lowest of the overnight group, which drags the overall to the bottom of the name-brand overnights. Value suffers too, since the price is premium-ish against a sub-4 rating. The result is the rare Millie Moon product we'd steer most parents away from.

Before you buy

• Millie Moon's overnight doesn't match its excellent daytime Luxury line; don't assume it does.
• For value, Parent's Choice Gentle Dreams costs half as much and rates higher.
• Only consider it for a light overnight wetter or strong brand loyalty.
• Size up at night to squeeze out a little more capacity.

Millie Moon Overnight FAQ

Are Millie Moon Overnight diapers as good as the daytime ones?

No. The daytime Millie Moon Luxury line is a standout value, but the overnight rates lowest among the name-brand overnights here and underwhelms on absorbency, which is the trait that matters most at night.

Why do Millie Moon Overnight rate lower?

Absorbency. For an overnight diaper the key job is holding a full night without leaking, and the 3.9 rating suggests morning leaks are a more common complaint here than with stronger overnights.

What's a better overnight than Millie Moon?

For value, Parent's Choice Gentle Dreams costs about half as much and rates higher. For a heavy wetter, premium overnights like Pampers Swaddlers Overnights or Huggies Overnites hold more.

How much do Millie Moon Overnight cost per month?

At about $0.51 per diaper and roughly one a night, a month of nightly use is around $15, which is pricey relative to its rating.

What sizes do Millie Moon Overnight come in?

Sizes 4 through 6.

Where to buy

Where to buy Millie Moon

TargetBrand site

The bottom line

Millie Moon Overnight is the disappointment in an otherwise strong brand: clean, comfortable materials wrapped around an overnight diaper that doesn't keep up on the one thing that counts, absorbency. With the lowest overnight rating here and a premium-ish price, it's outclassed from both directions, by the cheaper, higher-rated Parent's Choice Gentle Dreams and by the higher-capacity premium overnights. Love the daytime Luxury line, but for nights, look elsewhere.