0 1 2 3 Fri 10 Dec 1971 Tue 14 Dec 1971 Sat 18 Dec 1971 Wed 22 Dec 1971 Sun 26 Dec 1971 Thu 30 Dec 1971 Mon 03 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