Sleep...

If you can find them where you are, Mack's silicone ear plugs are a godsend. You can almost seal your ears off completely.

Bright light at night, especially from screens, will destroy sleep and eventually health. Blue blocking glasses after sundown are a game changer.

Also, sleeping in close proximity to Wifi, mobile phones, bluetooth, etc will destroy sleep and health.

Hi dose magnesium is essential.