0 1 2 3 Thu 13 Jan 1898 Tue 01 Feb 1898 Tue 01 Mar 1898 Fri 01 Apr 1898 Tue 12 Apr 1898 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