I went on to HRT because of the sleep issue, as in none, even with pills. HRT helped, especially oral progesterone.
I'm a chronic, very severe insomniac. IMHO the worst thing ever, apart from the common sense ideas like no caffeine/ephedrine, is a fixation on "good sleep hygiene". The reverse is more true in that the more you de-emphasize sleep, the more likely you are to get some. Good sleepers don't "try" to sleep, take hot baths, drink milk, listen to whales farting etc. (excuse me, but am fed up with medical advice emphasising "sleep hygiene" for insomnia).
Someone else passed on some helpful advice about leaving an unengaging talk radio or tv on softly in the background, which distracts the mind from being too active.
If you can't sleep because of hormones, none of that will work.
Personally I think not sleeping is the worst thing in the world.
Send my sympathy x