Do you have trouble sleeping or relaxing at the end of a long day?

Not falling asleep, but staying asleep.

no, but I wake up about 3Am and find it hard to get back to sleep

Nothing that I have found yet.

yes

Every day! After 5 or 6 days of fitful sleep, I'll crash for 12 - 14 hours and still wake up tired.

I have had a problem falling asleep for many years nowadays my lack of good sleep are affecting my health , Is there help fir me ??

No, play computer games until get / use a coach for sleep apnea.

Sometimes

Studying foreign language

YES!