0 1 2 3 Wed 12 Feb 1913 Sat 01 Mar 1913 Tue 01 Apr 1913 Thu 01 May 1913 Tue 13 May 1913 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