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Part consultancy, part thinktank, part social enterprise, Halcyon helps you prepare for and respond to personal, organisational and societal change.

Halcyon's 52:52:52 campaign on Twitter will help you address 52 issues with 52 responses over 52 weeks.

To be a catalyst is the ambition most appropriate for those who see the world as being in constant change, and who, without thinking that they control it, wish to influence its direction - Theodore Zeldin

A Mundane Comedy is Dominic Kelleher's new book, which will be published in early 2020. We will be publishing extracts on this site and across social media during the first quarter of 2020. Please feel free to contact us with any questions about the book.

Sleep

On Meditation
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Halcyon In Kal… 7 November 2018

Research suggests that meditation can change brain structure, enhance mental abilities and 

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An astonishing number of conflicts and catastrophes can be traced back to the brute fact that one of the parties hasn't slept enough - Alain de Botton, http://twitter.com/alaindebotton

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To flop into bed bone-weary and be fathomlessly asleep as your slurred finger sets the alarm for the morning is a simulacrum of heaven - AA Gill, ST Style, 01/10/06

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Nice guys finish last, but we get to sleep in - Evan Davies

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An astonishing number of conflicts and catastrophes can be traced back to the brute fact that one of the parties hasn't slept enough - Alain de Botton, http://twitter.com/alaindebotton