The Books Insiderindependent audiobook data
Nightmares! The Sleepwalker Tonic by Jason Segel, Kirsten Miller

Nightmares! The Sleepwalker Tonic: Audiobook

Book 2 of the Nightmares! series

According to The Books Insider's catalog data, the Nightmares! The Sleepwalker Tonic audiobook runs 7.3 hours unabridged, narrated by Jason Segel (about 4.9 hours at 1.5× playback speed).

7.3listening hrs
Mystery & Fantasystore shelf
2015released
Free for new listeners

The instrument When will you finish it?

Based on 7.3 hours of listening.

Days to finish Nightmares! The Sleepwalker Tonic 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 7.3 hours, it runs longer than 73% of the 7,923 Mystery & Fantasy audiobooks in our catalog.

Catching up on Nightmares!

This is book 2. Book 1 runs 7.6 hours before it; books 1 to 3 run 21.4 hours in all.

About as long, on the Mystery & Fantasy shelf

1,166 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:

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

Nightmares! The Sleepwalker Tonic is book 2 of Jason Segel's Nightmares! series: a 7.3-hour unabridged recording, read by Jason Segel, released September 8, 2015, on the Mystery & Fantasy shelf.

The listen at a glance

Length
7.3 hrs
Narrated by
Jason Segel
Released
September 8, 2015
Format
Unabridged audiobook
Language
English
Store shelves
Mystery & Fantasy
Series
Nightmares! #2
ISBN
9780804168151

How to listen to Nightmares! The Sleepwalker Tonic free

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Questions listeners ask

How long is the Nightmares! The Sleepwalker Tonic audiobook?

Nightmares! The Sleepwalker Tonic runs 7.3 hours unabridged. At 1.5× speed that drops to roughly 4.9 hours.

Is the Nightmares! The Sleepwalker Tonic audiobook free?

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

Who narrates Nightmares! The Sleepwalker Tonic?

Nightmares! The Sleepwalker Tonic is narrated by Jason Segel.