Watch Sleep, Celeste Full Movie Free Online 123Movies. Celeste's life is pretty great at the moment; she has a good job, she and her best friend, Alice, are always there for each other, and she's eagerly looking forward to the day when her art will be shown at a trendy Manhattan gallery. From the outside looking in, her life seems perfect, much to the annoyance of one of her coworkers, Ariel. Things only get more tense when a handsome new coworker, Elliot, starts paying a lot of attention to Celeste. Ariel decides she's had enough of Celeste and hatches a plan to get rid of her, leading Celeste down a life changing path she never could have imagined.