0 1 2 3 Fri 01 Dec 1978 Wed 06 Dec 1978 Mon 11 Dec 1978 Sat 16 Dec 1978 Thu 21 Dec 1978 Tue 26 Dec 1978 Sun 31 Dec 1978 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All