Misc: Who was the Greek god of sleep?

Questions

which famous talk show host made a guest apearence on laverne & shirley?

name the three children on kate and ali.?

what method of transportation did webster use to get from the upper level of the house to the lower level?

in knight rider,what does k.i.t.t.'s name stand for?

mork and mindy was a spinoff of what tv show?