Justin Chambers shared the UCLA psych ward with Britney back in January for an unknown sleeping disorder -- now he tells TMZ he had been walking in his sleep.
Also in L.A.: Jessica Alba had her baby shower, Zach Braff celebrated his birthday with Donald Faison, and Cameron Diaz was at the Chateau Marmont with hottie Gerard Butler. Antonio Sabato Jr. also pimped his new restaurant, saying it catered to stars like Paul Newman and Marlon Brando -- who died in 2004.
In NY: The freaky, but friendly, Mickey Rourke, Joan Cusack -- who was clueless about brother John's stalker -- and Julianne Moore, who was with her hubby and adorable daughter.
"Grey's" Doc's Diagnosis: Sleepwalking?
4/7/2008 4:41 PM PDT BY TMZ STAFF
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