0 1 2 3 Thu 14 May 1931 Mon 01 Jun 1931 Wed 01 Jul 1931 Sat 01 Aug 1931 Wed 12 Aug 1931 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