A primitive root; to stun, i.e. Stupefy (with sleep or death) -- (be fast a-, be in a deep, cast into a dead, that) sleep(-er, -eth).
Englishman's Concordance
1) (Niphal) to be asleep, be unconscious, be in heavy sleep, fall into heavy sleep, be fast asleep Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 2123
Brown-Driver-Briggs
[רָדַם] verb Niph`albe in, or fall into, heavy sleep (Late Hebrew id.; compare Arabic stop up (door, gap, etc.), whence perhaps be deaf (stopped up) to sounds, etc.); — Perfect3masculine singular נִרְדַּםJudges 4:21; 1singular נִרְדַּמְתִּיDaniel 8:8; Imperfect3masculine singular וַיֵּרָדֵםJonah 1:5; ParticipleנִרְדָּםProverbs 10:5 3t.; — be or fall fast asleep:Judges 4:21; Jonah 1:5 (after וַיִּשְׁכַב), Jonah 1:6 (participle, Ges§ 120b DaSynt. § 70 (a)); participle as substantive נִרְדָּם בַּקָּצִירProverbs 10:5; of sleep of death Psalm 76:7; stunning effect of awe and dread Daniel 8:18; Daniel 10:9 (both + אָ֑רְצָה [ וּפָנַי ] עַלמָּֿנַי.
Judges 4:21 HEB:בָּאָ֑רֶץ וְהֽוּא־ נִרְדָּ֥ם וַיָּ֖עַף וַיָּמֹֽת׃ NAS: into the ground; for he was sound asleep and exhausted. KJV: it into the ground: for he was fast asleep and weary. INT: the ground he was sound and weary died
Psalm 76:6 HEB:אֱלֹהֵ֣י יַעֲקֹ֑ב נִ֝רְדָּ֗ם וְרֶ֣כֶב וָסֽוּס׃ NAS: and horse were cast into a dead sleep. KJV: and horse are cast into a dead sleep. INT: God of Jacob were cast rider and horse
Proverbs 10:5 HEB:בֵּ֣ן מַשְׂכִּ֑יל נִרְדָּ֥ם בַּ֝קָּצִ֗יר בֵּ֣ן NAS: who acts wisely, [But] he who sleeps in harvest KJV: son: [but] he that sleepeth in harvest INT: son acts sleeps harvest son
Daniel 8:18 HEB:וּבְדַבְּר֣וֹ עִמִּ֔י נִרְדַּ֥מְתִּי עַל־ פָּנַ֖י NAS: Now while he was talking with me, I sank into a deep sleep with my face KJV: Now as he was speaking with me, I was in a deep sleep on my face INT: was talking with sank with my face
Daniel 10:9 HEB:וַאֲנִ֗י הָיִ֛יתִי נִרְדָּ֥ם עַל־ פָּנַ֖י NAS: of his words, I fell into a deep sleep on my face, KJV: of his words, then was I in a deep sleep on my face, INT: I become fell on my face
Jonah 1:5 HEB:הַסְּפִינָ֔ה וַיִּשְׁכַּ֖ב וַיֵּרָדַֽם׃ NAS: lain down and fallen sound asleep. KJV: and he lay, and was fast asleep. INT: of the ship lain and fallen
Jonah 1:6 HEB:מַה־ לְּךָ֣ נִרְדָּ֑ם ק֚וּם קְרָ֣א NAS: How is it that you are sleeping? Get KJV: to him, and said unto him, What meanest thou, O sleeper? arise, INT: and said How sleeper arise call
stop up (door, gap, etc.), whence perhaps be deaf (stopped up) to sounds, etc.); — Perfect3masculine singular נִרְדַּםJudges 4:21; 1singular נִרְדַּמְתִּיDaniel 8:8; Imperfect3masculine singular וַיֵּרָדֵםJonah 1:5; ParticipleנִרְדָּםProverbs 10:5 3t.; — be or fall fast asleep:Judges 4:21; Jonah 1:5 (after וַיִּשְׁכַב), Jonah 1:6 (participle, Ges§ 120b DaSynt. § 70 (a)); participle as substantive נִרְדָּם בַּקָּצִירProverbs 10:5; of sleep of death Psalm 76:7; stunning effect of awe and dread Daniel 8:18; Daniel 10:9 (both + אָ֑רְצָה [ וּפָנַי ] עַלמָּֿנַי.