0 1 2 3 Sat 31 Dec 1977 Thu 05 Jan 1978 Tue 10 Jan 1978 Sun 15 Jan 1978 Fri 20 Jan 1978 Wed 25 Jan 1978 Mon 30 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