0 1 2 3 Thu 31 Jan 1952 Thu 07 Feb 1952 Thu 14 Feb 1952 Thu 21 Feb 1952 Thu 28 Feb 1952 Thu 06 Mar 1952 Thu 13 Mar 1952 Thu 20 Mar 1952 Thu 27 Mar 1952 Mon 31 Mar 1952 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