0 1 2 3 Wed 15 Dec 1976 Sat 18 Dec 1976 Tue 21 Dec 1976 Fri 24 Dec 1976 Mon 27 Dec 1976 Thu 30 Dec 1976 Sun 02 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