Released:

Overview:
In a never-before-attempted experiment at Bristol Zoo, Liz Bonnin and a team of experts stay up all night to track the diverse sleep patterns of animals from lions to meerkats.

Director:
Nicholas Head

Runtime:
1h 30min

Genre:

• Cast:
• 
  Liz Bonnin
  as
  Presenter
• 
  Bryson Voirin
  as
  Presenter