A 5-month-old needs about 14 to 15 hours of total sleep per day, split between nighttime sleep and daytime naps. That typically breaks down to 11 to 12 hours at night and 2.5 to 3.5 hours of napping during the day.
Nighttime Sleep at 5 Months
Most 5-month-olds are capable of sleeping 11 to 12 hours overnight, though that doesn’t always mean 11 to 12 hours of uninterrupted sleep. Many babies this age still wake once or twice to feed, which is normal. If your baby is waking more than twice a night to eat, that pattern may be habit-driven rather than hunger-driven, especially if they don’t seem particularly interested in feeding when they wake.
By this age, babies can often go five or more hours between feedings at night. If your baby wakes but doesn’t seem hungry, settling them back to sleep without a feeding is reasonable. Over time, many 5-month-olds consolidate their nighttime sleep into longer stretches on their own.
How Naps Should Look
Three naps a day is the sweet spot for most 5-month-olds, with total daytime sleep adding up to about 2.5 to 3.5 hours. Some babies still take four shorter naps, and that’s fine too. The general pattern is two longer naps earlier in the day and a shorter catnap in the late afternoon, often just 30 to 45 minutes. Capping any single nap at two hours helps protect nighttime sleep, since too much daytime sleep can push bedtime later or cause more overnight waking.
If your baby only naps for 30 minutes at a time, you’re not alone. Short naps are extremely common at this age. Babies are still developing the ability to connect sleep cycles during the day, and some won’t consistently nap longer than 40 minutes until closer to 6 months.
Wake Windows Between Naps
The time your baby spends awake between sleep periods matters as much as the sleep itself. At 5 months, most babies do best with 2 to 2.5 hours of awake time before each nap and before bedtime. Stretching much beyond that window tends to backfire. An overtired baby has a harder time falling asleep and staying asleep, so watching for early sleepy cues (zoning out, rubbing eyes, fussiness) within that 2 to 2.5 hour range can help you time naps well.
The first wake window of the day is often the shortest. Many parents find their baby is ready for that first nap just 1.5 to 2 hours after waking in the morning, with slightly longer windows before subsequent naps.
Why Sleep May Be Disrupted Right Now
If your baby was sleeping well and suddenly isn’t, development is the most likely explanation. Around 4 to 5 months, babies transition from newborn-style sleep to more adult-like sleep stages, which means they cycle through lighter sleep phases more frequently and are more likely to wake between cycles. This shift is permanent (it’s actually a sign of brain maturation), but the disruption it causes is temporary.
Rolling is another big factor at this age. Many 5-month-olds are learning to roll from back to belly, and they may practice this new skill in their crib at 2 a.m. simply because they can. Teething can also begin creeping in around this time, and growth spurts may cause temporary increases in hunger and nighttime waking. These disruptions typically last a few weeks before sleep settles again.
Safe Sleep When Your Baby Rolls
Once your baby starts rolling, a few things need to change in their sleep setup. The most important: stop swaddling. A swaddled baby who rolls onto their stomach can’t use their arms to reposition, which creates a breathing risk. A sleep sack with open arms is a safe alternative that still provides the coziness many babies prefer.
You should always place your baby on their back to fall asleep. But if they roll onto their stomach or side during the night on their own, that’s okay. You don’t need to flip them back. The key is keeping the crib completely clear of pillows, blankets, loose bedding, stuffed animals, and sleep positioners. The mattress should be firm with a tight-fitting sheet, and nothing else.
A Realistic Daily Schedule
Schedules at 5 months are still fairly flexible, but a rough framework helps. Here’s what a typical day might look like:
- Morning wake-up: 6:30 to 7:00 a.m.
- First nap: about 2 hours after waking, lasting 1 to 1.5 hours
- Second nap: about 2 to 2.5 hours after the first nap ends, lasting 1 to 1.5 hours
- Third nap: a shorter catnap of 30 to 45 minutes in the late afternoon
- Bedtime: around 7:00 to 8:00 p.m., roughly 2 to 2.5 hours after the last nap ends
This is a guideline, not a prescription. Some babies naturally wake earlier or later, and nap lengths vary day to day. The total sleep over 24 hours is what matters most. If your baby is getting somewhere in the range of 14 to 15 hours and seems well-rested (alert and engaged during awake time, not constantly fussy), their sleep is on track.
Signs Your Baby Is Getting Enough Sleep
The recommended range from major health organizations is 12 to 16 hours for babies aged 4 to 12 months. That’s a wide window, and individual needs vary. A baby getting 13 hours who is happy, growing well, and hitting developmental milestones is doing fine, even if they’re on the lower end of the range.
Signs that a baby may not be getting enough sleep include persistent crankiness during awake time, difficulty falling asleep despite being tired, very short naps paired with frequent overnight waking, and falling asleep almost instantly whenever placed in a car seat or stroller (which can signal sleep debt rather than just a convenient nap). If your baby consistently falls well below 12 hours of total daily sleep and seems chronically overtired, it’s worth bringing up with your pediatrician.