The new science of cannabis and sleep

 (Petra Péterffy for The Post)

Research suggests cannabis suppresses REM sleep, raising questions about memory, emotion and the purpose of dreams.

By Ariana Eunjung Cha

Why baby boomers won’t be passing all their money on to their children

Here’s what 2,600 Americans said about Trump’s ballroom, pool and arch projects

Crews at Reflecting Pool appear to gather evidence at failure points identified in Post report

House passes measure to restrain Trump on Iran

Trump adds condition to nuclear deal with Saudi Arabia, throwing pact into doubt

The subtle changes in hearing you should never ignore

Breaking down ‘Odyssey’ viewing options: The snob’s choice, the strong alternative, the wild ride

Bam! See these killer whales explode fish into pieces.

I booked a 2:40 a.m. ‘Odyssey’ screening. I didn’t know what I was in for.

Say More: She doesn’t trust men easily. Can she find love on a dating app?

Trump is poised to launch new tariffs that sidestep Supreme Court

Prosecutors struggle to turn voter fraud claims into criminal charges

I’m from Nebraska. Here’s what wealth-tax advocates don’t realize.

Old friend showed horrific judgment. What now? Give advice to this Hax question.

Seven peptides are being reviewed by an FDA panel. Here’s what to know.

 (Jacquelyn Martin/AP Photo)

The peptides being evaluated have been proposed to treat conditions including insomnia, ulcerative colitis, migraines and obesity.

By Daniel Wu

FDA raised conflict of interest concerns ahead of new peptide panel

Peptides are popular and controversial. Why?