0 1 2 3 Fri 10 Dec 1971 Sat 11 Dec 1971 Sun 12 Dec 1971 Mon 13 Dec 1971 Tue 14 Dec 1971 Wed 15 Dec 1971 Thu 16 Dec 1971 Fri 17 Dec 1971 Sat 18 Dec 1971 Sun 19 Dec 1971 Mon 20 Dec 1971 Tue 21 Dec 1971 Wed 22 Dec 1971 Thu 23 Dec 1971 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