0 1 2 3 Fri 03 Dec 1971 Wed 08 Dec 1971 Mon 13 Dec 1971 Sat 18 Dec 1971 Thu 23 Dec 1971 Tue 28 Dec 1971 Sun 02 Jan 1972 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