What are the possible diagnoses for unrefreshing sleep ? it is difficult to get a sleep study ?

There are many: There are many causes for non-refreshing sleep. However obstructive sleep apnea is always one of the first ones we think of. Lifestyle habits like drinking too much alcohol before bed, eating before sleep, drinking too much caffeine, can also cause these issues. Seeking a sleep study is now easier than it used to be. Please see her doctor for more details.

Sleep apnea: Usually unrefreshing sleep is due to something that disrupts the sleep cycle. If you're obstructed at night, it'll cause you to gasp and disrupt sleep. Restless leg syndrome can disturb also. Decreasing screen time at night, and having better sleep hygiene helps. Some drugs can also affect sleep. Sleep studies are easy to come by, but discuss with your doc if you need one.