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. Show more
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Start the Week
The Free Thinking Festival at Sage Gateshead
43 minutes
First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 LW
Available for over a year
Cultural discussion programme. Tom Sutcliffe at the Free Thinking Festival at Sage Gateshead with Russell Foster, Denise Mina, Stephen Westaby and Eugenia Cheng. Show more
In Our Time
Circadian Rhythms
43 minutes
First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 LW
Available for over a year
Melvyn Bragg and guests discuss the evolution and role of circadian rhythms, the so-called body clock influencing a daily cycle of physical, behavioural and mental changes. Show more
In front of an audience at Sage Gateshead, Professor Russell Foster delivers the opening lecture of Radio 3's 2017 Free Thinking Festival, on the theme of 'the speed of life'. Show more
Free Thinking
Sleep, Sleeplessness and Creativity
45 minutes
First broadcast: on BBC Radio 3
Available for over a year
Rana Mitter discusses why people sleep, with expert on the human body clock Russell Foster and comedian and insomniac Matt Berry. Show more