0 1 2 3 Fri 25 Jul 1952 Fri 01 Aug 1952 Mon 01 Sep 1952 Wed 01 Oct 1952 Thu 23 Oct 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