0 1 2 3 Sun 11 Dec 1977 Mon 19 Dec 1977 Tue 27 Dec 1977 Wed 04 Jan 1978 Thu 12 Jan 1978 Fri 20 Jan 1978 Sat 28 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