The answer is that there is none. Meditation is a practice of concentration and relaxation with the goal of making the mind still and silent. Traditional meditation practices involve the development of concentration but in different depths and stages. Meditation practice is also about the inner separation of thought processes from consciousness.
Buy this shirt: Llama Aunties’s you say alpaca my bags shirt
The increase of consciousness, while it may contribute greatly to relaxation, has the goal of bringing more lucid awareness, not the relaxation and dullness of unconsciousness. The nature of sleep is to go unconscious. The nature of Meditation to increase conscious awareness.
Buy this shirt: Firework American flag Turtles shirt
There are physical relaxation practices aimed at helping the body to relax more in order to take ones attention off of background thinking that highlights anxiety. Many people have a subconscious mind that contains lists of things they feel need to be done in thier lives in order to finally arrive at a sense of completion and therefore deserved relaxation. However this is an illusion perpetuated by an unconscious mind and culture. This can also make it difficult to sleep amongst other reasons.
Buy this shirt: Game of Thrones Tormund and Brienne Westeros Gothic shirt
There are various types of relaxation practices meant to distract the attention away from the habit of anxious thinking long enough that the body can finally relax enough to wander into sleep. Many of these types of practices can be found on youtube, for example. So in my answer I am highlighting that even though meditation involves concentration there is a difference between meditative concentration and other forms of concentration such as needlepoint, guitar playing, or trying to relax the body enough to fall asleep or produce a lucid dream.
Buy this shirt: Control guns not women shirt
Here in Colombia, there are no markings on any Uber vehicle. The drivers keep their cell phone in their laps, not in a mount. Avoids problems of detection. Uber has been illegally operating in this country for 5 years. Uber is a legally constituted corporation. They pay taxes to the government and have employees in addition to independent contractors as drivers. Uber and its employees and drivers are obviously a key source of tax revenue and provide an opportunity for people to make money.
Buy this shirt: Dachshund 4th July Independence Day American Flag shirt