0 1 2 3 Sun 03 Dec 1876 Mon 11 Dec 1876 Tue 19 Dec 1876 Wed 27 Dec 1876 Thu 04 Jan 1877 Fri 12 Jan 1877 Sat 20 Jan 1877 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