Say your Prayers.
Don't owe anything.
Settle any grievance before the sun sets.
Clear out your nose really good.
Sleep a little chilly.
Brush your teeth before you lay down.
A fan in the background on low
Light covers.
An eye cover (Just lay a clean sock over your eyes to block out the morning light)
I am now a recreational sleeper, used to be Pro a few years ago but retired.

A fan is a must for comfortable sleeping.
Not just any fan, some are high RPM whiners that drive you crazy.
Others a low drone that vibrates loose trim and non-nailed floor boards.
When you get a Tuned fan for sleeping you have a good thing.
I have non-drinking friends that do not hesitate to take a swig of Nyquil.
It (or the store generic) is good in a pinch, but it is highly addictive.
3 days on Severe Flu nyquil-type elixers and severe confusion sets in.