0 1 2 3 Sun 23 Nov 1975 Tue 02 Dec 1975 Thu 11 Dec 1975 Sat 20 Dec 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