0 1 2 3 Sun 08 Dec 1974 Fri 13 Dec 1974 Wed 18 Dec 1974 Mon 23 Dec 1974 Sat 28 Dec 1974 Thu 02 Jan 1975 Tue 07 Jan 1975 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