0 1 2 3 Tue 11 Dec 1956 Tue 18 Dec 1956 Tue 25 Dec 1956 Tue 01 Jan 1957 Tue 08 Jan 1957 Tue 15 Jan 1957 Tue 22 Jan 1957 Tue 29 Jan 1957 Sat 02 Feb 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