0 1 2 3 Thu 15 Dec 1977 Tue 20 Dec 1977 Sun 25 Dec 1977 Fri 30 Dec 1977 Wed 04 Jan 1978 Mon 09 Jan 1978 Sat 14 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