Your CPAP machine keeps your airway open. But great sleep needs more than pressure — it needs preparation.   Wind Down, Don't CrashSpend 30 minutes before bed in dim light: read a physical book, stretch gently, or try 4-7-8 breathing. Avoid screens — blue light delays melatonin and makes falling asleep harder.   Timing Is EverythingFinish caffeine by 2 PM. Avoid heavy...