TY - GEN AU - Foret,J TI - [Irregular activity hours, sleep and health] SN - 0035-2640 PY - 1989///0215 KW - Activity Cycles KW - Circadian Rhythm KW - Humans KW - Sleep KW - Sleep Wake Disorders KW - physiopathology KW - Travel KW - Work N1 - Publication Type: English Abstract; Journal Article ER -