0 1 2 3 Sun 21 Nov 1971 Fri 26 Nov 1971 Wed 01 Dec 1971 Mon 06 Dec 1971 Sat 11 Dec 1971 Thu 16 Dec 1971 Tue 21 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