Home U+1F600 to U+1F64F Emoticons
Glyph for U+1F634
Source: Noto Emoji

U+1F634 SLEEPING FACE

U+1F634 was added to Unicode in version 6.1 (2012). It belongs to the block U+1F600 to U+1F64F Emoticons in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Other Symbol and is commonly used, that is, in no specific script.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. In text U+1F634 behaves as Ideographic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The CLDR project labels this character β€œsleeping face” for use in screen reading software. It assigns additional tags, e.g. for search in emoji pickers: face, good night, sleep, sleeping face, ZZZ.

This character is designated as an emoji. It will be rendered as colorful emoji on conforming platforms. To reduce it to a monochrome character, you can combine it with Glyph for U+FE0E Variation Selector-15: 😴︎ See the Emojipedia for more details on this character’s emoji properties.

On Youtube this character is sometimes wrongly displayed as U0001f634.

The Wikipedia has the following information about this codepoint:

Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity and inhibition of nearly all voluntary muscles during rapid eye movement (REM) sleep, and reduced interactions with surroundings. It is distinguished from wakefulness by a decreased ability to react to stimuli, but more reactive than a coma or disorders of consciousness, with sleep displaying different, active brain patterns.

Sleep occurs in repeating periods, in which the body alternates between two distinct modes: REM sleep and non-REM sleep. Although REM stands for "rapid eye movement", this mode of sleep has many other aspects, including virtual paralysis of the body. A well-known feature of sleep is the dream, an experience typically recounted in narrative form, which resembles waking life while in progress, but which usually can later be distinguished as fantasy. During sleep, most of the body's systems are in an anabolic state, helping to restore the immune, nervous, skeletal, and muscular systems; these are vital processes that maintain mood, memory, and cognitive function, and play a large role in the function of the endocrine and immune systems. The internal circadian clock promotes sleep daily at night. The diverse purposes and mechanisms of sleep are the subject of substantial ongoing research. Sleep is a highly conserved behavior across animal evolution.

Humans may suffer from various sleep disorders, including dyssomnias such as insomnia, hypersomnia, narcolepsy, and sleep apnea; parasomnias such as sleepwalking and rapid eye movement sleep behavior disorder; bruxism; and circadian rhythm sleep disorders. The use of artificial light has substantially altered humanity's sleep patterns. Common sources of artificial light include the screens of electronic devices such as smartphones and televisions, which emit large amounts of blue light, a form of light typically associated with daytime. This disrupts the release of the hormone melatonin needed to regulate the sleep-cycle.

Representations

System Representation
NΒΊ 128564
UTF-8 F0 9F 98 B4
UTF-16 D8 3D DE 34
UTF-32 00 01 F6 34
URL-Quoted %F0%9F%98%B4
HTML-Escape 😴
Wrong windows-1252 Mojibake 😴

Elsewhere

Complete Record

Property Value
Age 6.1 (2012)
Unicode Name SLEEPING FACE
Unicode 1 Name β€”
Block Emoticons
General Category Other Symbol
Script Common
Bidirectional Category Other Neutral
Combining Class Not Reordered
Decomposition Type None
Decomposition Mapping Glyph for U+1F634 Sleeping Face
Lowercase ✘
Simple Lowercase Mapping Glyph for U+1F634 Sleeping Face
Lowercase Mapping Glyph for U+1F634 Sleeping Face
Uppercase ✘
Simple Uppercase Mapping Glyph for U+1F634 Sleeping Face
Uppercase Mapping Glyph for U+1F634 Sleeping Face
Simple Titlecase Mapping Glyph for U+1F634 Sleeping Face
Titlecase Mapping Glyph for U+1F634 Sleeping Face
Case Folding Glyph for U+1F634 Sleeping Face
ASCII Hex Digit ✘
Alphabetic ✘
Bidi Control ✘
Bidi Mirrored ✘
Composition Exclusion ✘
Case Ignorable ✘
Changes When Casefolded ✘
Changes When Casemapped ✘
Changes When NFKC Casefolded ✘
Changes When Lowercased ✘
Changes When Titlecased ✘
Changes When Uppercased ✘
Cased ✘
Full Composition Exclusion ✘
Default Ignorable Code Point ✘
Dash ✘
Deprecated ✘
Diacritic ✘
Emoji Modifier Base ✘
Emoji Component ✘
Emoji Modifier ✘
Emoji Presentation βœ”
Emoji βœ”
Extender ✘
Extended Pictographic βœ”
FC NFKC Closure Glyph for U+1F634 Sleeping Face
Grapheme Cluster Break Any
Grapheme Base βœ”
Grapheme Extend ✘
Grapheme Link ✘
Hex Digit ✘
Hyphen ✘
ID Continue ✘
ID Start ✘
IDS Binary Operator ✘
IDS Trinary Operator and ✘
Ideographic ✘
Indic Mantra Category β€”
Indic Positional Category NA
Indic Syllabic Category Other
Jamo Short Name β€”
Join Control ✘
Logical Order Exception ✘
Math ✘
Noncharacter Code Point ✘
NFC Quick Check Yes
NFD Quick Check Yes
NFKC Casefold Glyph for U+1F634 Sleeping Face
NFKC Quick Check Yes
NFKD Quick Check Yes
Other Alphabetic ✘
Other Default Ignorable Code Point ✘
Other Grapheme Extend ✘
Other ID Continue ✘
Other ID Start ✘
Other Lowercase ✘
Other Math ✘
Other Uppercase ✘
Prepended Concatenation Mark ✘
Pattern Syntax ✘
Pattern White Space ✘
Quotation Mark ✘
Regional Indicator ✘
Radical ✘
Sentence Break Other
Soft Dotted ✘
Sentence Terminal ✘
Terminal Punctuation ✘
Unified Ideograph ✘
Variation Selector ✘
Word Break Other
White Space ✘
XID Continue ✘
XID Start ✘
Expands On NFC ✘
Expands On NFD ✘
Expands On NFKC ✘
Expands On NFKD ✘
Bidi Paired Bracket Glyph for U+1F634 Sleeping Face
Bidi Paired Bracket Type None
East Asian Width Wide
Hangul Syllable Type Not Applicable
ISO 10646 Comment β€”
Joining Group No_Joining_Group
Joining Type Non Joining
Line Break Ideographic
Numeric Type None
Numeric Value not a number
Simple Case Folding Glyph for U+1F634 Sleeping Face
Script Extension
Vertical Orientation U