0 1 2 3 Sun 20 May 1877 Fri 01 Jun 1877 Sun 01 Jul 1877 Wed 01 Aug 1877 Fri 17 Aug 1877 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