Free · AASM 2016 · No Sign-Up
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Sleep Schedule Builder

Build your personalised 7-day sleep schedule in 60 seconds — including bedtime, wake time, nap window, and a daily bedtime routine. Based on AASM & AAP guidelines.

🔬 Why Schedule Consistency Matters
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Circadian Entrainment

Your SCN master clock needs consistent light and timing cues to properly phase melatonin, cortisol, and body temperature rhythms. A stable bedtime ±30 min doubles N3 deep sleep compared to irregular schedules within just 2 weeks. Source: Czeisler et al. (1999).

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Social Jetlag — The Weekend Problem

Sleeping 2+ hrs later on weekends creates “social jetlag” — equivalent to flying 2 time zones every Friday. Linked to +11% diabetes risk per hour of shift, higher BMI, and Monday morning cognitive impairment. Source: Wittmann et al. (2006); Roenneberg et al. (2012).

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21-Day Habit Formation

Sleep schedule habits require 21–66 days of consistency to become automatic (Lally et al. 2010). The first 7 days are hardest — use the habit tracker below. By day 21 your circadian clock will naturally make you sleepy at your target bedtime. Source: Lally et al. (2010) EJSP.

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Strategic Napping Rules

A 20-min power nap between 1–3 PM boosts alertness 34% and motor performance 16% without impacting night sleep (if taken before 3 PM). A 90-min nap includes one full cycle — full memory consolidation but must end before 3 PM. Source: Mednick et al. (2003) Nature Neuroscience.

AgeSleep NeedBedtime (7AM wake)Source
3–510–13 hrs6:00–9:00 PMAAP 2016
6–129–12 hrs7:00–10:00 PMAAP 2016
13–178–10 hrs9:00–11:00 PMAASM 2016
18–647–9 hrs10:00 PM–12:00 AMAASM 2016
65+7–8 hrs10:00–11:00 PMAASM 2016
❓ FAQ
What is a good sleep schedule?
A good sleep schedule is consistent — same bedtime and wake time every day within ±30 min, including weekends. Adults need 7–9 hours per AASM 2016. Consistency anchors your circadian rhythm and doubles deep N3 sleep. Source: Czeisler (1999).
How do I fix my sleep schedule?
Fix by: (1) Set a fixed wake time and keep it every single day. (2) Move bedtime 15 min earlier every 3 days. (3) No screens 60 min before bed. (4) Bright light within 30 min of waking. Most resets take 7–14 days. Source: AASM 2016.
Different schedule on weekends?
Ideally no. Variation over 1 hour = social jetlag — +11% diabetes risk per hour, higher BMI, Monday cognitive impairment. Keep weekend wake time within 30–60 min of weekday wake. Source: Wittmann et al. (2006).
How long to fix a sleep schedule?
Most people reset in 7–14 days with consistent wake time. Full circadian stabilisation — deeper N3 sleep — takes 3–4 weeks of consistency. Move bedtime no faster than 15 min/3 days. Source: Monk et al. (2000).
What time should I go to bed?
Adults waking at 7 AM: 10–11 PM (5–6 cycles). Teens waking at 7 AM: 9–10 PM (8–10 hrs). This builder calculates your exact bedtime — enter your wake time above.
±30m
Max Variation
21d
To Lock In Habit
7–14d
To Reset Clock
2×
N3 Sleep Boost
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Medically Reviewed By
Dr. Sarah Mitchell, CCSH
Certified Clinical Sleep Health Specialist
Reviewed against AASM 2016 & AAP 2016. Last updated March 2026.
Full Bio →

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