Fatigue or daytime sleepiness?
Singareddy
Ravi
R
Sleep Research & Treatment Center, Department of Psychiatry, Penn State College of Medicine, Hershey, PA 17033, USA. rsingareddy@hmc.psu.edu
Bixler
Edward O
EO
Vgontzas
Alexandros N
AN
D002908:Chronic Disease; D003937:Diagnosis, Differential; D006970:Disorders of Excessive Somnolence / Q000175:diagnosis* / Q000523:psychology; D005221:Fatigue / Q000175:diagnosis* / Q000523:psychology; D006801:Humans; D012892:Sleep Deprivation / Q000175:diagnosis / Q000523:psychology; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis* / Q000523:psychology; D012893:Sleep Wake Disorders / Q000175:diagnosis / Q000523:psychology