0 1 2 3 Wed 30 Dec 1874 Fri 01 Jan 1875 Mon 01 Feb 1875 Mon 01 Mar 1875 Tue 30 Mar 1875 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