Nightmare before oversleep

Song Information

Artist: 猫叉Master
Composition/Arrangement: Naoyuki Sato
BPM: 190
Length: 2:00
Genre: SORROW STEP
VJ: 板垣聖一(IMAGICA) (overlays by かーる)
First Music Game Appearance: beatmania IIDX 23 copula
Other Music Game Appearances: None.

A scream can be heard.

The PIN insertion error's groan from beatmania IIDX 21 SPADA's system voice is heard during Nightmare before oversleep's intro.

Nightmare before oversleep is the Dunkel Weihnachten song of the Season Line EXTRA STAGE system of beatmania IIDX 23 copula. Its NORMAL charts could be played from November 19th, 2015.
- November 19th is also Naoyuki Sato's birthday.
- From November 26th, 2015, Nightmare before oversleep's HYPER charts could be played.
- From December 3rd, 2015, Nightmare before oversleep's ANOTHER charts could be played.
  - In beatmania IIDX 24 SINOBUZ, its charts can be purchased with Kinran no omamori (金襴のお守り) from December 14th, 2016.
  - All charts were later unlocked for all players in beatmania IIDX 24 SINOBUZ due to its selection as a WEEKLY RANKING song from October 11th, 2017.
"Dunkel Weihnachten" is German for "Dark Christmas".
Nightmare before oversleep received a jacket on the BEMANI Fan Site CHECK!SONGS page for December 2015. This jacket has not yet been used in a BEMANI game.

Untranslated.

Untranslated.

beatmania IIDX difficulty rated from 1 to 12. (Ratings and notecounts obtained from BEMANIWiki 2nd.)

Game	SP Difficulty					DP Difficulty
Game	BEGINNER	NORMAL	HYPER	ANOTHER	LEGGENDARIA	NORMAL	HYPER	ANOTHER	LEGGENDARIA
Notecounts	-	605	988	1500	665	975	1580	{{{8}}}	{{{9}}}
beatmania IIDX 23 copula→Present	-	7	10	12	7	10	12	{{{9}}}	{{{10}}}

Season Line
Winter	Nightmare before oversleep (Dunkel Weihnachten) 麗～うらら～ (冬尽く小江戸)
Spring	La dolce primavera (Spring Festival)
Summer	紫陽花 -AZISAI- (occasional rain) か・し・ま・し☆PUMP UP！ (Kilogramme de l'aventure)
Autumn	駅猫のワルツ (えきねこ)
冬春夏秋	NZM (終着)