Quantified life

SourceData are scraped from a simple Fitbit that tracked steps and sleep (one individual person listed here). Aggregated to day.Meta-datasimple_date is m/m/d format.year is year listed only.steps are total daily steps.mins_asleep is the total time asleep each night.efficiency is the Fitbit estimate sleep efficiency based on total time in bed, total time awake versus sleep, and number of times restless.lagged_sleep are the minutes asleep lagged by one day (ie from the night before)lagged_efficiency is the efficiency in the sleep from the night before