Genre: 
Full text: 
Ales diei nuntius lucem propinquam praecinit nos excitator mentium jam Christus ad vitam vocat | Auferte clamat lectulos aegros soporos desides castique recti ac sobrii vigilate jam sum proximus | Jesum ciamus vocibus flentes precantes sobrii intenta supplicatio dormire cor mundum vetat | Tu Christe somnum disice tu rumpe noctis vincula tu solve peccatum vetus novumque lumen ingere | Sit Christe rex piisime tibi patrique gloria cum spiritu paraclito in sempiterna saecula
Fulltext source: 
https://www.preces-latinae.org/thesaurus/Hymni/AlesDiei.html
Notes: 
Randel 373-01 (for Hispanic MSS);
Notes: 
cf. 008258.1 for the 1632 Urban VIII revision of this hymn, which begins the same but has a few differences
CAO sources: 
SL
CAO: 
8258