Realistically you can’t plan like this because cycles varies by length (and by person) and falling asleep time itself can be vastly different between people and nights. There was an app called “Sleep with Android” which detects movement after 7+ hours of sleep. Movement means you’ve gotten out from deep sleep and is the best time to wake up since you’re already almost there
Time your sleep to align with 90 minute cycles. 7h 30m for example works great for me but 8h has me feeling rough
Realistically you can’t plan like this because cycles varies by length (and by person) and falling asleep time itself can be vastly different between people and nights. There was an app called “Sleep with Android” which detects movement after 7+ hours of sleep. Movement means you’ve gotten out from deep sleep and is the best time to wake up since you’re already almost there