What are the signs of 4 month sleep regression?

The four month regression hits sometime between 3 and 4 months when your baby starts to develop a body clock. Because your baby is forming their body clock, the signs of the four month regression are similar to the signs of extreme jet-lag:

• Difficulty falling asleep or early morning wakings.
• More frequent and longer nighttime wakings.
• Shorter naps.
• Strong NEED for cat naps
• Increased crying or fussiness upon awakening.
• Notably reduced total sleep time.

Establishing your family's sleep habits before 3 months will help soften any disruption. You can also welcome your baby's body clock but exposing them to sunlight during the day, separating daytime and evening time breastmilk (evening time breastmilk has melatonin in it), and using different bedtime routines than nap routines to signal night sleep.

Learn more about it in our video lesson on the third month in our baby sleep app.