0 1 2 3 Thu 31 Jan 1957 Thu 07 Feb 1957 Thu 14 Feb 1957 Thu 21 Feb 1957 Thu 28 Feb 1957 Thu 07 Mar 1957 Thu 14 Mar 1957 Thu 21 Mar 1957 Thu 28 Mar 1957 Thu 04 Apr 1957 Thu 11 Apr 1957 Thu 18 Apr 1957 Sun 21 Apr 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