0 1 2 3 Thu 08 Dec 1977 Tue 13 Dec 1977 Sun 18 Dec 1977 Fri 23 Dec 1977 Wed 28 Dec 1977 Mon 02 Jan 1978 Sat 07 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