0 1 2 3 Tue 17 Dec 1878 Sun 22 Dec 1878 Fri 27 Dec 1878 Wed 01 Jan 1879 Mon 06 Jan 1879 Sat 11 Jan 1879 Thu 16 Jan 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