Different sleep problems have different root causes. A 3am wake-up is a cortisol issue. Trouble falling asleep is a nervous system issue. We need to know which lever to pull.
Can't fall asleep
Mind races, takes 30+ min to drift off
Wake at 3am
Fall asleep fine but wake mid-night
Don't feel rested
Sleep 7-8 hrs but still exhausted
Inconsistent
Different bedtimes, irregular schedule