0 1 2 3 Sat 08 Dec 1877 Thu 13 Dec 1877 Tue 18 Dec 1877 Sun 23 Dec 1877 Fri 28 Dec 1877 Wed 02 Jan 1878 Mon 07 Jan 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