53:19

Einstein's Quantum Riddle | Full Documentary | NOVA | PBS

2:03:41

Fundamentals: Ten Keys to Reality | A Conversation with Nobel Laureate Frank Wilczek

4:19:11

Reading of Alice in Wonderland - full audiobook - Story Reading for Sleep - Relaxing Reading

2:32:23

What Is Reality?

45:43

A Brief History Of Time: The Pioneering Work Of Stephen Hawking | Naked Science | Spark

1:23:53

What Is The Ultimate Cosmic Limit?

4:03:00

RAINY History of Julius Caesar | Historical Sleepy Story | Storytelling and Rain

3:47:14

4 Hours Of Science Facts About Our Universe To Fall Asleep To