0 1 2 3 Wed 15 Feb 1871 Wed 01 Mar 1871 Sat 01 Apr 1871 Mon 01 May 1871 Tue 16 May 1871 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