0 1 2 3 Thu 12 Dec 1878 Sun 15 Dec 1878 Wed 18 Dec 1878 Sat 21 Dec 1878 Tue 24 Dec 1878 Fri 27 Dec 1878 Mon 30 Dec 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