She does have over 100 signs that allow her to ask for strawberries, pizza or ice cream, or tell us when she wants to sleep, or play on her computer.

NPR: I Am Capable Of More Than I Think I Am

Programmers--sorry, seamen--hired from places like India and Russia would have their own cabins, work eight- or ten-hour stretches on either a day or night shift and have the rest of the time to sleep, play shuffleboard or take a water taxi to shore.

FORBES: Magazine Article

Too much food or alcohol, especially late at night, just before bedtime, can play havoc with sleep patterns.

BBC: Alcohol-fuelled sleep 'less satisfying'