0 1 2 3 Thu 02 Dec 1976 Fri 10 Dec 1976 Sat 18 Dec 1976 Sun 26 Dec 1976 Mon 03 Jan 1977 Tue 11 Jan 1977 Wed 19 Jan 1977 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