0 1 2 3 Wed 14 Dec 1977 Thu 22 Dec 1977 Fri 30 Dec 1977 Sat 07 Jan 1978 Sun 15 Jan 1978 Mon 23 Jan 1978 Tue 31 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