Results
To wake up at : you should go to bed at:
6 cycles, 9h of sleep
Recommended for long-sleepers
5 cycles, 7h30m of sleep
Recommended for average-sleepers
4 cycles, 6h of sleep
Recommended for short-sleepers
3 cycles, 4h30m of sleep
2 cycles, 3h of sleep
1 cycle, 1h30m of sleep