Prev7 of 8Next Use your ← → (arrow) keys to browse 6. Bedtime reminders Photo credit: howtogeek.com It’s so easy to lose track of time, but now your iPhone can lovingly nag you about when it’s time to get some sleep. Users get the option of programming their phone to how long they prefer to sleep, when they prefer to wake up, and when they want to go to sleep. Prev7 of 8Next Use your ← → (arrow) keys to browse