Prior to sleep apnea & fibromy diagnosis, i used to have "fatigue attacks." i would suddenly feel exhausted, wanted to lie down, weak. apnea symptom?

Fatigue Attacks: "sudden fatigue attacks" may be part of feeling excessively tired, as is seen with sleep apnea. There are many other reasons for suddenly feeling tired. Sleep apnea generally is associated with chronic fatigue, not sudden fatigue.. Often sleep apnea has many of the same symptoms as fibromyalgia. Successful treatment of sleep apnea should relieve many of these symptoms. See your doctor.

Highly possible: You symptom are highly possible with sleep apnea, you need testing in a sleep laboratory using polysomnography.

? POTS: 40's female with fibromyalgia (FM) notes episodic sudden weakness, exhaustion, & fatigue necessitating lying down. There is connection between FM & Postural Orthostatic Tachycardia Syndrome (POTS), which might explain such a symptom profile.