New research suggests people can communicate and practice skills while dreaming

General Reactions to “Learning in Sleep”

• Many see the idea as intuitive: people already “sleep on” problems and wake with insights.
• Others stress that there’s a big difference between normal consolidation and truly acquiring new skills/information while asleep; evidence is seen as limited and easy to oversell.
• Some explicitly call past “sleep learning” (hypnopedia) pseudo‑science and criticize the new work as weak on controls and quantitative rigour.

Lucid Dreaming: Experiences and Techniques

• Numerous anecdotes of lucid dreaming: flying, manipulating environments, or recognizing dreams via “tells” (broken tech, unreadable text, wrong piano keys, train tickets that can’t be bought, distorted hands).
• For some, lucidity makes dreams boring or causes the world/characters to “freeze” or go ragdoll; for others, the environment stays dynamic but feels like a self‑authored movie.
• Common induction methods mentioned: dream journals, frequent reality checks (text/clocks, nose‑pinch breathing), alarms partway through the night, meditative practices (MILD), and emerging gadgets; effectiveness is mixed.
• A few report long‑term regular lucid dreaming; others struggle despite heavy effort.

Problem-Solving and Skill Consolidation

• Strong theme: people repeatedly solve hard problems after sleep—math proofs, combinatorics, topology, debugging, security exploits, hardware issues, music and instrument practice, video‑game bosses, sports/coordination tasks.
• Many say they wake with either a full solution or a key missing insight; some consciously “pose a question” before sleep.
• Others report more abstract “better understanding” without remembering dream content.
• Some explicitly link this to known “sleep consolidation,” “muscle memory,” and the “Tetris effect.”

Language Learning and Memory Reactivation

• A few claim language‑related phenomena: dreaming conversations in a second language, even reportedly speaking another language in sleep.
• Others note that simply playing audio while asleep hasn’t been convincingly shown to teach a language, but targeted memory reactivation (TMR) may reinforce material learned while awake.

Ethical, Social, and Work Dystopia Concerns

• Multiple commenters worry about a future where sleep is monetized: dream‑VR jobs, performance pressure to “train” or “work” while dreaming, and hustle‑culture appropriation (“33% more hours in the day”).
• Some see this as a likely capitalist trajectory if sleep‑based training is shown to yield even small gains.

Spiritual, Psychological, and Philosophical Angles

• References to dream yoga and religious/mystical traditions of praying or practicing in dreams.
• Extended discussion of subconscious “voices,” bicameral‑mind–like inner dialogue, and dreams/nightmares as emotional processing or threat simulation.