{FD} The Latest: Spain govt asked to manage police before vote

The Latest on the conflict between the Spanish government and officials in the country's Catalonia region over plans for a referendum on Catalan independence (all times local): 2:20 p.m. Spain's Interior Ministry says a prosecutor has asked the government to coordinate law enforcement efforts to impede a planned referendum on Catalonia's secession from Spain.

{FD} Using tech to get a good night’s rest

Most of us know about circadian rhythms and the sleep cycle. We have a basic idea of REM. We know it’s best not to wake up during a deep sleep. But all of this used to be academic. It wasn’t like you could watch yourself sleep. Alarm clocks were set for a certain time, and that time had nothing to do with how deeply you were snoozing.