// Book comparison
Influence vs Why We Sleep
Which should you read? A side-by-side comparison of Influence by Robert Cialdini and Why We Sleep by Matthew Walker.
Influence
by Robert Cialdini
★ 4.9/5
Why We Sleep
by Matthew Walker
★ 4.9/5
At a glance
| Influence | Why We Sleep | |
|---|---|---|
| Rating | ★ 4.9/5 | ★ 4.9/5 |
| Pages | 320 | 368 |
| Reading time | ~8.0 h | ~9.2 h |
| Published | 1984 | 2017 |
| Author | Robert Cialdini | Matthew Walker |
| Category | Personal Effectiveness | Personal Effectiveness |
| Publisher | William Morrow | Scribner |
Choose Influence if…
- → You're interested in personal effectiveness.
- → You want the higher-rated book (4.9/5).
- → You prefer a shorter read (~8.0 hours).
Choose Why We Sleep if…
- → You're interested in personal effectiveness.
- → You want the more recent perspective (2017).
Key takeaways — Influence
- ✓ Apply the Reciprocity Principle by providing value to your stakeholders first, creating a psychological obligation that significantly increases your future persuasive power.
- ✓ Leverage Social Proof by highlighting the endorsements of your existing customers and industry leaders to reduce perceived risk for new strategic partners.
- ✓ Utilize Commitment and Consistency by asking for small, initial agreements that lead your stakeholders to stay aligned with your larger organizational goals over time.
Key takeaways — Why We Sleep
- ✓ Acknowledge Sleep as your Primary Performance Tool, recognizing that chronic sleep deprivation systematically erodes your IQ, your strategic foresight, and your emotional intelligence.
- ✓ Protect your REM Sleep for Creative Problem-Solving, ensuring that your 'Rest Architecture' allows for the deep dreaming required to integrate complex market information into original insights.
- ✓ Eliminate the 'Badge of Honor' for Sleep Deprivation within your culture, recognizing that a tired workforce is a statistically more error-prone and less innovative workforce.
The verdict
If you want the higher-rated, shorter read, start with Influence. If you want a different angle on the same topic, Why We Sleep is the better fit. Both summaries are free — no signup required.
❓ FAQ
Is Influence or Why We Sleep better? +
Influence has the higher reader rating (4.9/5 vs 4.9/5), but "better" depends on your goal. Influence focuses on personal effectiveness, while Why We Sleep focuses on personal effectiveness. See the verdict below.
Which is shorter, Influence or Why We Sleep? +
Influence is shorter (320 pages, ~8.0 hours) compared to Why We Sleep (368 pages, ~9.2 hours).
Should I read Influence or Why We Sleep first? +
If you want the quicker, higher-rated read, start with Influence. Otherwise read whichever matches your current goal — both summaries are free on BookHubs.