sleep deficiency

to supplement

siesta (afternoon nap)

take an afternoon nap

sleep

insufficient / unsatisfactory

insufficiency, shortage, deficiency, lack / dissatisfaction

to give out, to run short

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend