Insomnia and sleep apnea are closely related – if you’ve got one of them, there’s a decent chance you’ve also got the other.
Insomnia, or the inability to fall and/or stay asleep, is not uncommon; most of us have dealt with it at certain times in our lives. Some of the more well-known causes of insomnia are stress (we can’t sleep if we can’t stop worrying) and stimulants (taking caffeine or certain medications before bed can keep us awake).