0 1 2 3 Thu 21 Dec 1876 Fri 29 Dec 1876 Sat 06 Jan 1877 Sun 14 Jan 1877 Mon 22 Jan 1877 Tue 30 Jan 1877 Wed 07 Feb 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