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Hori et al. regard sleep onset hypnagogia as a state distinct from both wakefulness and sleep with unique electrophysiological, behavioral and subjective characteristics, [10] [12] while Germaine et al. have demonstrated a resemblance between the EEG power spectra of spontaneously occurring hypnagogic images, on the one hand, and those of both ...
Yoga nidra (Sanskrit: योग निद्रा, romanized: yoga nidrā) or yogic sleep in modern usage is a state of consciousness between waking and sleeping, typically induced by a guided meditation. A state called yoga nidra is mentioned in the Upanishads and the Mahabharata, while a goddess named Yoganidrā appears in the Devīmāhātmya.
There are several exercises designed to develop mindfulness meditation, which may be aided by guided meditations "to get the hang of it". [9] [70] [note 3] As forms of self-observation and interoception, these methods increase awareness of the body, so they are usually beneficial to people with low self-awareness or low awareness of their bodies or emotional state.
The asana's name derives from the yogic sleep mentioned in the Hindu epic Mahabharata: [3] [The Ocean] becomes the bed of the lotus-naveled Vishnu when at the termination of every Yuga that deity of immeasurable power enjoys yoga nidra , the deep sleep under the spell of spiritual meditation.
People suffering from hypervigilance may become preoccupied with scanning their environment for possible threats. They might overreact to loud and unexpected noises, exhibit an overactive startle response or become agitated in highly crowded or noisy environments. They will often have a difficult time getting to sleep or staying asleep. [7]
Turiya as 'the fourth' is referred to in a number of principal Upanishads. [1] One of the earliest mentions of the phrase turiya, "fourth", is in verse 5.14.3 of the Brihadaranyaka Upanishad (7th-6th century BCE), referring to a 'fourth foot' of the Gayatri Mantra, the first, second and third foot being the 24 syllables of this mantra:
These impacts range in severity and it is important to be aware of the increased risk of health issues that may arise due to the stress-sleep cycle. Many of the physical impacts of stress overlap with the physical impacts of sleep deprivation, including short-term impacts like fatigue and headaches, and long-term impacts like high blood ...
the totality in psychology of sensations, perceptions, ideas, attitudes, and feelings of which an individual or a group is aware at any given time or within a particular time span—compare STREAM OF CONSCIOUSNESS; waking life (as that to which one returns after sleep, trance, fever) wherein all one's mental powers have returned . . .