0 1 2 3 Thu 21 Aug 1952 Sat 30 Aug 1952 Mon 08 Sep 1952 Wed 17 Sep 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