Sleeping poorly while pregnant may not be "normal".
Lamberg
Lynne
L
D000328:Adult; D000339:Affect; D003863:Depression; D005221:Fatigue; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology; D012148:Restless Legs Syndrome; D012891:Sleep Apnea Syndromes; D012893:Sleep Wake Disorders / Q000503:physiopathology