Lucid nightmares are nightmares that occur while the person is asleep, but they are aware that they are dreaming. The dreamer may be able to control the dream to some extent, but the content of the dream is still frightening. You can learn more about lucid dreams here.
Absolutely! It is a skill that anyone can learn called lucid dreaming. It is when you become aware that you are dreaming while you are still asleep. From there, you can take control of the dream and change the outcome. You will find a lucid dreamer sharing his experience here.
As for all things, there is no definitive answer to this question as different people prefer different sites. Still, we recommend our own site that also contains trends data related to dream topics.
There are four stages of sleep: light sleep, deep sleep, REM sleep, and ultradian sleep. REM sleep is when people usually dream. You can learn more about those different dream stages here.
At the moment, Oniri is not available on the Play Store, but will be very soon. Specifically, we are planning on releasing our Android version by the end of 2022. You can sign up for the waiting list here.
There are multiple benefits to remembering dreams, like memory consolidation, idea generation and more... All of which can be found in our blog article on that topic.