0 1 2 3 Wed 21 Dec 1977 Sat 24 Dec 1977 Tue 27 Dec 1977 Fri 30 Dec 1977 Mon 02 Jan 1978 Thu 05 Jan 1978 Sun 08 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