0 1 2 3 Wed 10 Oct 1956 Thu 01 Nov 1956 Sat 01 Dec 1956 Tue 01 Jan 1957 Tue 08 Jan 1957 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