0 1 2 3 Sun 04 May 1952 Sun 01 Jun 1952 Tue 01 Jul 1952 Fri 01 Aug 1952 Sat 02 Aug 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