0 1 2 3 Sat 17 Dec 1977 Thu 22 Dec 1977 Tue 27 Dec 1977 Sun 01 Jan 1978 Fri 06 Jan 1978 Wed 11 Jan 1978 Mon 16 Jan 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