0 1 2 3 Thu 27 Jun 1929 Mon 01 Jul 1929 Thu 01 Aug 1929 Sun 01 Sep 1929 Thu 26 Sep 1929 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