Emma Watson says 'Noah' left her physically and emotionally exhausted

Emma Watson has admitted that working on epic biblical movie 'Noah' made her physically and emotionally exhausted, the Mirror reported.

The 23-year-old actress said that she didn't leave her apartment for a few weeks, walked around in her pyjamas for a few days in a row, the Mirror reported.

She added that she just needed some time to sort of put herself back together a bit.