0 1 2 3 Sun 09 Dec 1956 Sun 16 Dec 1956 Sun 23 Dec 1956 Sun 30 Dec 1956 Sun 06 Jan 1957 Sun 13 Jan 1957 Sun 20 Jan 1957 Sun 27 Jan 1957 Thu 31 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