Circadian Rhythm Science
Baby Wake Windows & Sleep Routine
Prevent overtired crying and cortisol spikes by offering sleep during the biologically ideal window.
Target Age Bracket
4 – 5 Months (The Regression)
Wake Window
1.5 – 2 Hours
Max time awake between napsDaily Naps
3 – 4 Naps
Typical count per dayTotal 24h Sleep
14 – 15 Hours
Night sleep + day napsIdeal Bedtime
7:00 PM – 8:30 PM
Deep restorative night sleepPediatric Sleep Expert Guidance
Sleep cycles mature to adult-like rhythms. White noise and consistent swaddle/sleep sack cues prevent frequent false starts.
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