0 1 2 3 Wed 12 Dec 1956 Wed 19 Dec 1956 Wed 26 Dec 1956 Wed 02 Jan 1957 Wed 09 Jan 1957 Wed 16 Jan 1957 Wed 23 Jan 1957 Wed 30 Jan 1957 Wed 06 Feb 1957 Tue 12 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