A 5-month-old typically needs about 14 hours of total sleep in a 24-hour period, split between nighttime sleep and daytime naps. Most of that comes at night, with around 10 or more hours overnight and roughly 4 to 5 hours spread across daytime naps. That said, every baby is different, and the real range for this age sits between 12 and 15 hours total.
How Nighttime and Daytime Sleep Break Down
At 5 months, nighttime sleep is consolidating into longer stretches. Some babies are pulling 6-hour blocks by this age, though others still wake more frequently. The overnight portion generally accounts for 10 to 11 hours, even if it’s interrupted by feedings.
During the day, most 5-month-olds take three naps, totaling 4 to 5 hours. A common pattern is two longer naps (an hour or more) and one shorter catnap in the late afternoon. Some babies still take four shorter naps, which is normal at this age. The transition from four naps to three usually happens somewhere around 5 to 6 months.
Wake Windows Between Naps
Wake windows, the stretch of awake time your baby can handle between sleeps, generally fall in the 2- to 2.5-hour range at 5 months. Most babies do best with slightly shorter wake windows earlier in the day and a longer one before bedtime. A typical pattern might look like 2 hours after waking up, then 2.25 hours between the first and second nap, and 2.5 hours before the last nap or bedtime.
These windows aren’t rigid. Some 5-month-olds still max out at 90 minutes, while others push closer to 3 hours before their final sleep of the day. The best guide is your baby’s behavior rather than the clock.
Sleepiness Cues to Watch For
Catching the window between “getting sleepy” and “overtired” makes a real difference in how easily your baby falls asleep. Early drowsiness cues include yawning, droopy eyelids, staring into the distance, rubbing eyes, and pulling on ears. Some babies turn away from stimulation: if your baby suddenly loses interest in a toy, the bottle, or your face, that’s a strong signal they’re ready for sleep. A low, prolonged whine (sometimes called “grizzling”) that never quite becomes a full cry is another common tell.
When those early cues get missed, overtiredness kicks in. The body releases stress hormones like cortisol and adrenaline, which paradoxically rev your baby up instead of calming them down. An overtired baby often cries louder and more frantically than usual, clenches their fists, arches their back, and may even sweat more than normal. Once a baby hits this state, falling asleep becomes harder, not easier. Putting your baby down at the first signs of drowsiness, rather than waiting for obvious fussiness, helps avoid that cycle.
Night Feedings Are Still Normal
Waking to eat during the night is common and expected at 5 months. Breastfed babies in particular digest milk quickly and often need one or more overnight feeds well into the first year. Formula-fed babies tend to go longer stretches, since formula digests more slowly, but most still wake at least once at this age. The general guidance is that formula-fed babies can begin phasing out night feeds around 6 months, while healthy breastfed babies can continue night feeds comfortably through 12 months.
If your baby wakes at night but doesn’t seem hungry, they may be looking for comfort or practicing new skills. Both are developmentally normal at this stage.
Why Sleep Can Fall Apart Around 5 Months
If your baby was sleeping well and suddenly isn’t, developmental changes are the most likely cause. Around 4 to 5 months, babies develop object permanence, the understanding that something (or someone) still exists even when it’s out of sight. This means when your baby wakes in the middle of the night and you’re not there, they now know you exist somewhere else and want you back. That’s a cognitive leap, not a sleep problem.
Physical milestones play a role too. Many 5-month-olds are learning to roll over, and this skill often disrupts sleep until they can roll both directions confidently. A baby who rolls onto their stomach but can’t roll back will wake up frustrated. This phase is temporary but can last a few weeks.
Safe Sleep at This Age
Five months is right around the time many babies start rolling, which raises questions about sleep position. The guidance is straightforward: always place your baby on their back to sleep. If they roll onto their stomach on their own and can roll both ways (back to tummy and tummy to back), you don’t need to flip them over. The key is making sure the crib is clear of blankets, pillows, stuffed animals, and bumper pads. If your baby rolls into any of these items, it could block airflow.
What a Typical Day Looks Like
Schedules vary, but a common rhythm for a 5-month-old might look something like this:
- Wake up: 6:30 or 7:00 a.m.
- First nap: about 2 hours after waking, lasting 1 to 1.5 hours
- Second nap: about 2.25 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: 6:30 to 7:30 p.m., roughly 2.5 hours after the last nap ends
This is a framework, not a prescription. Some babies nap longer and need only two naps. Others take short 30-minute naps and need four. The total amount of sleep over 24 hours matters more than hitting exact nap times. If your baby is getting somewhere in the 12- to 15-hour range, seems alert and content when awake, and is gaining weight normally, their sleep is on track.