Hair & Body Care

Sleep Calculator

Calculate when to go to bed to wake up refreshed. Uses 90-minute sleep cycles plus fall-asleep buffer for better recovery and skin regeneration.

Sleep schedule

Wake-up time

Use 24-hour format, e.g. 07:00

Target sleep cycles

Each cycle is ~90 minutes of sleep.

Time to fall asleep

min

Enter your desired wake-up time in 24-hour format.
Choose target sleep cycles (4–6) and minutes to fall asleep.
We calculate bedtimes aligned to 90-minute cycles.
Waking between cycles reduces grogginess — key for recovery and cortisol balance.

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