0 1 2 3 Wed 26 Dec 1877 Tue 01 Jan 1878 Fri 01 Feb 1878 Fri 01 Mar 1878 Tue 26 Mar 1878 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