0 1 2 3 Mon 02 Dec 1878 Wed 01 Jan 1879 Sat 01 Feb 1879 Tue 25 Feb 1879 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