The Challenges of Sleep addressed: br I have a hard time falling asleep br Why is my sleep always disturbed? br I wake up many times during the night br My mind is racing when I lay down to sleep br I start work early but feel drained in the afternoon br What is REM sleep? br How do I manage my sleep? br What is the Islamic take on sleep? br Do I really need 8 hours of sleep? br What is sleep deprivation?