The Books Insiderindependent audiobook data
Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired by Till Roenneberg

Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired: Audiobook

According to The Books Insider's catalog data, the Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired audiobook runs 7.2 hours unabridged, narrated by Grover Gardner (about 4.8 hours at 1.5× playback speed).

7.2listening hrs
Disorders & Diseasesstore shelf
2013released
Free for new listeners

The instrument When will you finish it?

Based on 7.2 hours of listening.

Days to finish Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired at common listening paces
Your paceYou'll finish in
30 min / day15 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×5 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 7.2 hours, it runs longer than 65% of the 4,474 Disorders & Diseases audiobooks in our catalog.

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired is an audiobook by Till Roenneberg: a 7.2-hour unabridged recording, read by Grover Gardner, released January 29, 2013, on the Disorders & Diseases shelf.

The listen at a glance

Length
7.2 hrs
Narrated by
Grover Gardner
Released
January 29, 2013
Format
Unabridged audiobook
Language
English
Store shelves
Disorders & Diseases
ISBN
9781469086392

How to listen to Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired free

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Questions listeners ask

How long is the Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired audiobook?

Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired runs 7.2 hours unabridged. At 1.5× speed that drops to roughly 4.8 hours.

Is the Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired?

Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired is narrated by Grover Gardner.